Four fire engines were called to the site (Image: Newsquest.)
A fire involving a mattress and a set of pallets broke out at a derelict building in Blackburn on Saturday.
Four fire engines were called to the site in the Witton area at around 7pm and were in attendance for around 20 minutes.
No injuries have been reported.
A fire service spokesperson said: "Four fire engines from Blackburn, Hyndburn, and Darwen attended a fire involving a mattress and pallets within a derelict building.
"Firefighters used one hose reel jet and a thermal imaging camera to extinguish the fire.
"Crews were in attendance for approximately 20 minutes."
The incident will be investigated by the fire service.
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